Narrative:

We departed sjc on loupe behind B737. We were both established on 120 degree heading and in visual contact. Norcal cleared the B737 to 15000 ft and as he started his turn we told norcal we had the B737 in sight and could make the 12000 ft sjc VORTAC crossing restr. Norcal cleared us direct to the VOR. That put us inside the B737 by several mi. The B737 was also told he could ignore the 12000 ft crossing altitude. Both aircraft got RA's although our climb rate met the RA direction. The B737 reported leveling. My guess on what happened: 1) when the B737 did not have to meet the 12000 ft crossing altitude; he accelerated at a reduced climb rate. 2) controller assumed (as I did) that our early turn direct to sjc VOR would have maintained separation. Although both aircraft had RA's this was not an near midair collision.

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Original NASA ASRS Text

Title: E135 DEP FROM SJC; MAINTAINING VISUAL SEPARATION FROM PRIOR LOUPE DEP; EXPERIENCED TCAS RA AT 9500 FT.

Narrative: WE DEPARTED SJC ON LOUPE BEHIND B737. WE WERE BOTH ESTABLISHED ON 120 DEG HDG AND IN VISUAL CONTACT. NORCAL CLRED THE B737 TO 15000 FT AND AS HE STARTED HIS TURN WE TOLD NORCAL WE HAD THE B737 IN SIGHT AND COULD MAKE THE 12000 FT SJC VORTAC XING RESTR. NORCAL CLRED US DIRECT TO THE VOR. THAT PUT US INSIDE THE B737 BY SEVERAL MI. THE B737 WAS ALSO TOLD HE COULD IGNORE THE 12000 FT XING ALT. BOTH ACFT GOT RA'S ALTHOUGH OUR CLB RATE MET THE RA DIRECTION. THE B737 RPTED LEVELING. MY GUESS ON WHAT HAPPENED: 1) WHEN THE B737 DID NOT HAVE TO MEET THE 12000 FT XING ALT; HE ACCELERATED AT A REDUCED CLB RATE. 2) CTLR ASSUMED (AS I DID) THAT OUR EARLY TURN DIRECT TO SJC VOR WOULD HAVE MAINTAINED SEPARATION. ALTHOUGH BOTH ACFT HAD RA'S THIS WAS NOT AN NMAC.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.